Merge pull request #12 from ulule/fix/cursor-paginator-remove-duplicates

fix: remove duplicate items with the cursor paginator in date mode

Merge pull request #11 from ulule/fix/cursor-paginator-has-next-with-…

…limit-+1

fix cursor base pagination next URI

Merge pull request #7 from ulule/add-invalid-limit-or-offset-error-va…

…riable

Add ErrInvalidLimitOrOffset package error variable